upload android base code part3

android/art/runtime/verifier/instruction_flags.cc

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "instruction_flags.h"
+
+#include <string.h>
+
+namespace art {
+namespace verifier {
+
+std::string InstructionFlags::ToString() const {
+  char encoding[8];
+  if (!IsOpcode()) {
+    strncpy(encoding, "XXXXXXX", sizeof(encoding));
+  } else {
+    strncpy(encoding, "-------", sizeof(encoding));
+    if (IsVisited())               encoding[kVisited] = 'V';
+    if (IsChanged())               encoding[kChanged] = 'C';
+    if (IsOpcode())                encoding[kOpcode] = 'O';
+    if (IsInTry())                 encoding[kInTry] = 'T';
+    if (IsBranchTarget())          encoding[kBranchTarget] = 'B';
+    if (IsCompileTimeInfoPoint())  encoding[kCompileTimeInfoPoint] = 'G';
+    if (IsReturn())                encoding[kReturn] = 'R';
+  }
+  return encoding;
+}
+
+}  // namespace verifier
+}  // namespace art